باسمن کهنه کار اوراق قرضه با صادرکننده ETF 14 میلیارد دلاری درگیری را تشدید کرد

Bond Veteran Bassman Escalates Clash With $14 Billion ETF Issuer

A messy breakup between Harley Bassman, the derivatives expert who invented the main gauge of Treasury volatility, and his former employer has escalated after the bond veteran sent a letter to the firm’s shareholders challenging its business practices.